National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Partly Cloudy

70°F

21°C

Humidity 84%
Wind Speed N 6 mph
Barometer 30.03 in (1016.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 3 Aug 10:52 pm CDT
Extended Forecast for

Carbondale IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Light east southeast wind. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Light southeast wind.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. Light east southeast wind.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Light southeast wind.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. Light east southeast wind.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 64. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Light east southeast wind. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Light southeast wind.
Tuesday Night
Mostly clear, with a low around 68. Light east southeast wind.
Wednesday
Mostly sunny, with a high near 87. Calm wind.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Thursday
Sunny, with a high near 89. Light southeast wind.
Thursday Night
Mostly clear, with a low around 70. Light east southeast wind.
Friday
Sunny, with a high near 91. Calm wind becoming south southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 71. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 92. South wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 73. South southeast wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 92. South wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
9:46 pm CDT Aug 3, 2025
Forecast Valid:
11pm CDT Aug 3, 2025-6pm CDT Aug 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation